As long as the Chaos Green Lotus and the Divine Fetus of the Great Dao were indestructible, Jiang Chen wouldn't die. Thus, even if he was killed while he was about to succeed in reshaping the Chaos World in the future, it wouldn't matter because he could always resurrect and turn the tables.
Allies and such were merely a façade; their main purpose wasn't to hold back those Great Divine Transcendents who were preparing to strike Jiang Chen, but to distract them, thereby giving Jiang Chen a chance to strategize.
This plan was inspired by Jiang Chen from Xing Tian.
Preparing an extra life in secret for the future could indeed have a surprising effect.
...
Jiang Chen pressed forward, planning to leave the Netherworld, but he didn't head towards the ghost gates; instead, he went in a different direction.